Research Article

EEG and ECG Power Spectrum Analysis of Sedative Effects on Propofol-Anesthetized Rats with Electroacupuncture

Figure 3

Normalized PSDs of delta, theta, alpha, and beta waves in three groups. The power of each band was divided by the total power of the whole frequency band to get a proportion of each band. (a) Control group. (b) Low-frequency EA group. (c) High-frequency EA group. , a significant difference between before and after EA.
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